/Engine/Source/Editor/UnrealEd/Public/EditorDirectories.h
Overrides how configuration is saved and the default directory
void SetOverride ( const [FString](API\Runtime\Core\Containers\FString) & InConfigFile, const [FString](API\Runtime\Core\Containers\FString) & InConfigSectionName, const [FString](API\Runtime\Core\Containers\FString) & InDefaultDir )